According to the U.S. Bureau of Labor Statistics, prices in Chicago, Illinois are 1,800.93% higher in 2026 versus 1931 (a $502,459,040,208.88 difference in value).
Between 1931 and 2026:Chicago experienced an average inflation rate of 3.15% per year. This rate of change indicates significant inflation. In other words, $27,900,000,000 in Chicago in the year 1931 would cost $530,359,040,208.88 in 2026 for an equivalent purchase. Compared to the overall inflation rate of 3.28% during this same period, inflation in Chicago was lower.
In the year 1931: Pricing changed by -8.59%, which is significantly below the average yearly change in Chicago during the 1931-2026 time period. Compared to inflation for all items in 1931 (-8.93%), inflation in Chicago was higher.
Below are calculations of equivalent buying power in Chicago, over time, for $27,900,000,000 beginning in 1931. Each of the amounts below is equivalent in terms of what it could buy at the time:
| Year | USD Value | Inflation Rate |
|---|---|---|
| 1931 | $27,900,000,000.00 | -8.59% |
| 1932 | $24,621,932,114.88 | -11.75% |
| 1933 | $22,086,892,950.39 | -10.30% |
| 1934 | $22,232,584,856.40 | 0.66% |
| 1935 | $23,194,151,436.03 | 4.33% |
| 1936 | $23,660,365,535.25 | 2.01% |
| 1937 | $24,636,501,305.48 | 4.13% |
| 1938 | $24,461,671,018.28 | -0.71% |
| 1939 | $23,980,887,728.46 | -1.97% |
| 1940 | $24,112,010,443.86 | 0.55% |
| 1941 | $25,379,530,026.11 | 5.26% |
| 1942 | $27,900,000,000.00 | 9.93% |
| 1943 | $29,458,903,394.26 | 5.59% |
| 1944 | $29,910,548,302.87 | 1.53% |
| 1945 | $30,551,592,689.30 | 2.14% |
| 1946 | $33,276,031,331.59 | 8.92% |
| 1947 | $38,652,062,663.19 | 16.16% |
| 1948 | $42,017,545,691.91 | 8.71% |
| 1949 | $41,973,838,120.10 | -0.10% |
| 1950 | $42,396,344,647.52 | 1.01% |
| 1951 | $45,732,689,295.04 | 7.87% |
| 1952 | $46,723,394,255.87 | 2.17% |
| 1953 | $47,131,331,592.69 | 0.87% |
| 1954 | $47,830,652,741.51 | 1.48% |
| 1955 | $48,151,174,934.73 | 0.67% |
| 1956 | $48,821,357,702.35 | 1.39% |
| 1957 | $50,409,399,477.81 | 3.25% |
| 1958 | $51,939,164,490.86 | 3.03% |
| 1959 | $52,361,671,018.28 | 0.81% |
| 1960 | $53,090,130,548.30 | 1.39% |
| 1961 | $53,352,375,979.11 | 0.49% |
| 1962 | $53,906,005,221.93 | 1.04% |
| 1963 | $54,445,065,274.15 | 1.00% |
| 1964 | $54,663,603,133.16 | 0.40% |
| 1965 | $55,392,062,663.19 | 1.33% |
| 1966 | $57,052,950,391.64 | 3.00% |
| 1967 | $58,539,007,832.90 | 2.60% |
| 1968 | $61,015,770,234.99 | 4.23% |
| 1969 | $64,352,114,882.51 | 5.47% |
| 1970 | $68,038,120,104.44 | 5.73% |
| 1971 | $70,718,851,174.93 | 3.94% |
| 1972 | $72,729,399,477.81 | 2.84% |
| 1973 | $77,289,556,135.77 | 6.27% |
| 1974 | $85,462,872,062.66 | 10.57% |
| 1975 | $92,208,407,310.70 | 7.89% |
| 1976 | $96,622,872,062.66 | 4.79% |
| 1977 | $102,698,224,543.08 | 6.29% |
| 1978 | $111,629,138,381.20 | 8.70% |
| 1979 | $125,557,284,595.30 | 12.48% |
| 1980 | $143,666,788,511.75 | 14.42% |
| 1981 | $157,420,104,438.64 | 9.57% |
| 1982 | $168,157,597,911.23 | 6.82% |
| 1983 | $174,859,425,587.47 | 3.99% |
| 1984 | $181,459,268,929.50 | 3.77% |
| 1985 | $188,306,788,511.75 | 3.77% |
| 1986 | $192,240,469,973.89 | 2.09% |
| 1987 | $200,166,109,660.57 | 4.12% |
| 1988 | $207,989,765,013.05 | 3.91% |
| 1989 | $218,508,720,626.63 | 5.06% |
| 1990 | $230,251,488,250.65 | 5.37% |
| 1991 | $239,590,339,425.59 | 4.06% |
| 1992 | $246,612,689,295.04 | 2.93% |
| 1993 | $254,217,806,788.51 | 3.08% |
| 1994 | $259,783,237,597.91 | 2.19% |
| 1995 | $268,043,968,668.41 | 3.18% |
| 1996 | $275,212,010,443.86 | 2.67% |
| 1997 | $282,744,281,984.33 | 2.74% |
| 1998 | $288,440,835,509.14 | 2.01% |
| 1999 | $294,414,203,655.35 | 2.07% |
| 2000 | $303,869,608,355.09 | 3.21% |
| 2001 | $311,780,678,851.17 | 2.60% |
| 2002 | $316,748,772,845.95 | 1.59% |
| 2003 | $322,576,449,086.16 | 1.84% |
| 2004 | $329,788,198,433.42 | 2.24% |
| 2005 | $339,768,093,994.78 | 3.03% |
| 2006 | $346,732,167,101.83 | 2.05% |
| 2007 | $358,083,169,190.60 | 3.27% |
| 2008 | $371,576,570,757.18 | 3.77% |
| 2009 | $367,135,007,310.70 | -1.20% |
| 2010 | $372,161,960,835.51 | 1.37% |
| 2011 | $382,326,156,657.96 | 2.73% |
| 2012 | $388,131,542,036.55 | 1.52% |
| 2013 | $392,572,959,791.12 | 1.14% |
| 2014 | $399,430,823,498.69 | 1.75% |
| 2015 | $398,249,990,600.52 | -0.30% |
| 2016 | $400,888,908,093.99 | 0.66% |
| 2017 | $408,423,365,013.05 | 1.88% |
| 2018 | $415,582,519,582.25 | 1.75% |
| 2019 | $421,656,852,219.32 | 1.46% |
| 2020 | $426,363,429,242.82 | 1.12% |
| 2021 | $444,347,055,352.48 | 4.22% |
| 2022 | $477,909,225,587.47 | 7.55% |
| 2023 | $493,807,272,062.66 | 3.33% |
| 2024 | $510,897,806,788.51 | 3.46% |
| 2025 | $527,116,958,224.54 | 3.17% |
| 2026 | $530,359,040,208.88 | 0.62%* |
* Not final. See inflation summary for latest details.
** Extended periods of 0% inflation usually indicate incomplete underlying data. This can manifest as a sharp increase in inflation later on.
Raw Consumer Price Index data from U.S. Bureau of Labor Statistics for Chicago, Illinois:
| Year | 1914 | 1915 | 1916 | 1917 | 1918 | 1919 | 1920 | 1921 | 1922 | 1923 | 1924 | 1925 | 1926 | 1927 | 1928 | 1929 | 1930 | 1931 | 1932 | 1933 | 1934 | 1935 | 1936 | 1937 | 1938 | 1939 | 1940 | 1941 | 1942 | 1943 | 1944 | 1945 | 1946 | 1947 | 1948 | 1949 | 1950 | 1951 | 1952 | 1953 | 1954 | 1955 | 1956 | 1957 | 1958 | 1959 | 1960 | 1961 | 1962 | 1963 | 1964 | 1965 | 1966 | 1967 | 1968 | 1969 | 1970 | 1971 | 1972 | 1973 | 1974 | 1975 | 1976 | 1977 | 1978 | 1979 | 1980 | 1981 | 1982 | 1983 | 1984 | 1985 | 1986 | 1987 | 1988 | 1989 | 1990 | 1991 | 1992 | 1993 | 1994 | 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
| CPI | 10.000 | 10.017 | 10.317 | 11.758 | 13.733 | 16.667 | 19.850 | 18.175 | 17.167 | 17.375 | 17.717 | 18.108 | 18.425 | 18.258 | 17.692 | 17.650 | 17.458 | 15.958 | 14.083 | 12.633 | 12.717 | 13.267 | 13.533 | 14.092 | 13.992 | 13.717 | 13.792 | 14.517 | 15.958 | 16.850 | 17.108 | 17.475 | 19.033 | 22.108 | 24.033 | 24.008 | 24.250 | 26.158 | 26.725 | 26.958 | 27.358 | 27.542 | 27.925 | 28.833 | 29.708 | 29.950 | 30.367 | 30.517 | 30.833 | 31.142 | 31.267 | 31.683 | 32.633 | 33.483 | 34.900 | 36.808 | 38.917 | 40.450 | 41.600 | 44.208 | 48.883 | 52.742 | 55.267 | 58.742 | 63.850 | 71.817 | 82.175 | 90.042 | 96.183 | 100.017 | 103.792 | 107.708 | 109.958 | 114.492 | 118.967 | 124.983 | 131.700 | 137.042 | 141.058 | 145.408 | 148.592 | 153.317 | 157.417 | 161.725 | 164.983 | 168.400 | 173.808 | 178.333 | 181.175 | 184.508 | 188.633 | 194.342 | 198.325 | 204.818 | 212.536 | 209.995 | 212.870 | 218.684 | 222.005 | 224.545 | 228.468 | 227.792 | 229.302 | 233.611 | 237.706 | 241.181 | 243.873 | 254.159 | 273.356 | 282.450 | 292.225 | 301.502 | 303.356 |